126263664057 has 32 divisors (see below), whose sum is σ = 182256998400. Its totient is φ = 77481344448.

The previous prime is 126263664053. The next prime is 126263664071. The reversal of 126263664057 is 750466362621.

It is not a de Polignac number, because 126263664057 - 2² = 126263664053 is a prime.

It is a super-2 number, since 2×126263664057² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 126263663997 and 126263664015.

It is not an unprimeable number, because it can be changed into a prime (126263664053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1474738 + ... + 1558004.

It is an arithmetic number, because the mean of its divisors is an integer number (5695531200).

Almost surely, 2^126263664057 is an apocalyptic number.

It is an amenable number.

126263664057 is a deficient number, since it is larger than the sum of its proper divisors (55993334343).

126263664057 is a wasteful number, since it uses less digits than its factorization.

126263664057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84045.

The product of its (nonzero) digits is 2177280, while the sum is 48.

The spelling of 126263664057 in words is "one hundred twenty-six billion, two hundred sixty-three million, six hundred sixty-four thousand, fifty-seven".